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https://issues.apache.org/jira/browse/SPARK-28945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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koert kuipers updated SPARK-28945:
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Summary: Allow concurrent writes to different partitions with dynamic
partition overwrite (was: Allow concurrent writes to unrelated partitions with
dynamic partition overwrite)
> Allow concurrent writes to different partitions with dynamic partition
> overwrite
> --------------------------------------------------------------------------------
>
> Key: SPARK-28945
> URL: https://issues.apache.org/jira/browse/SPARK-28945
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.3
> Reporter: koert kuipers
> Priority: Minor
>
> It is desirable to run concurrent jobs that write to different partitions
> within same baseDir using partitionBy and dynamic partitionOverwriteMode.
> See for example here:
> https://stackoverflow.com/questions/38964736/multiple-spark-jobs-appending-parquet-data-to-same-base-path-with-partitioning
> Or the discussion here:
> https://github.com/delta-io/delta/issues/9
> This doesnt seem that difficult. I suspect only changes needed are in
> org.apache.spark.internal.io.HadoopMapReduceCommitProtocol, which already has
> a flag for dynamicPartitionOverwrite. I got a quick test to work by disabling
> all committer activity (committer.setupJob, committer.commitJob, etc.) when
> dynamicPartitionOverwrite is true.
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